Equity Capital Markets

Company · CIK 1390478

SELLAS Life Sciences Group, Inc.

CIK1390478 (SEC EDGAR)
Industry (SIC)2834 — Pharmaceutical Preparations
Incorporated inDE
Business addressNY
ListedSLS (Nasdaq)
First annual or quarterly report2008-04-15

Offerings

30 registrations
RegistrationLabel and statusFirst filedLast eventFilings
333-294504
ShelfEffective
 2026-03-202026-03-201
333-290829
ShelfEffective
 2025-10-102025-11-252
333-278334
ShelfEffective
 2024-03-282025-10-275
333-278337
ShelfEffective
 2024-03-282024-05-012
333-255318
ShelfEffective
 2021-04-162024-03-1810
333-233869
ShelfEffective
 2019-09-202020-12-145
333-246333
ShelfEffective
 2020-08-142020-08-242
333-238799
Registered companyEffective
 2020-05-292020-06-112
333-231723
Registered companyFinal prospectus
 2019-05-232019-06-185
333-226251
ShelfEffective
 2018-07-192018-07-262
333-225140
Registered companyFinal prospectus
 2018-05-232018-07-135
333-224845
ShelfEffective
 2018-05-102018-05-212
333-213908
ShelfEffective
 2016-09-302017-07-183
333-208330
ShelfEffective
 2015-12-042017-02-095
333-213493
ShelfEffective
 2016-09-022016-10-112
333-212674
ShelfEffective
 2016-07-252016-08-052
333-208331
ShelfEffective
 2015-12-042015-12-222
333-188849
ShelfEffective
 2013-05-242015-03-136
333-199517
ShelfEffective
 2014-10-222014-11-213
333-195260
ShelfEffective
 2014-04-142014-05-152
333-188847
ShelfEffective
 2013-05-242013-08-152
333-167025
ShelfEffective
 2010-05-212012-12-1813
333-182505
ShelfEffective
 2012-07-022012-07-132
333-181589
ShelfEffective
 2012-05-222012-05-292
333-180675
ShelfWithdrawn
 2012-04-122012-05-234
333-174076
ShelfEffective
 2011-05-092011-06-152
333-167038
ShelfEffective
 2010-05-242010-05-282
333-158968
ShelfEffective
 2009-05-042010-03-234
333-152557
Registered companyEffective
 2008-07-252008-08-063
333-147009
First-time registrationEffective
 2007-10-302008-02-146

Filings

109
FiledFilingRegistrationAccession
2026-03-20S-3ASRShelf registered 333-2945040001104659-26-032776
2025-11-25EFFECTDeclared effective 333-2908299999999995-25-003386
2025-10-27424B5Shelf takedown 333-2783340001104659-25-102602
2025-10-10S-3Shelf registered 333-2908290001104659-25-098711
2025-01-29424B5Shelf takedown 333-2783340001104659-25-007097
2024-08-01424B5Shelf takedown 333-2783340001104659-24-084492
2024-05-01EFFECTDeclared effective 333-2783379999999995-24-001307
2024-05-01EFFECTDeclared effective 333-2783349999999995-24-001306
2024-03-28S-3Shelf registered 333-2783370001104659-24-040589
2024-03-28S-3Shelf registered 333-2783340001104659-24-040585
2024-03-18424B5Shelf takedown 333-2553180001104659-24-035594
2024-01-05424B5Shelf takedown 333-2553180001104659-24-001817
2024-01-04424B5Shelf takedown 333-2553180001104659-24-001036
2023-11-01424B5Shelf takedown 333-2553180001104659-23-113381
2023-02-24424B5Shelf takedown 333-2553180001104659-23-025375
2023-02-23424B5Shelf takedown 333-2553180001104659-23-024765
2022-04-01424B5Shelf takedown 333-2553180001104659-22-041823
2022-03-31424B5Shelf takedown 333-2553180001104659-22-041078
2021-04-29EFFECTDeclared effective 333-2553189999999995-21-001633
2021-04-16S-3Shelf registered 333-2553180001104659-21-051414
2020-12-14424B5Shelf takedown 333-2338690001104659-20-135335
2020-08-24EFFECTDeclared effective 333-2463339999999995-20-002237
2020-08-14S-3Shelf registered 333-2463330001104659-20-095588
2020-06-11EFFECTDeclared effective 333-2387999999999995-20-001404
2020-05-29S-1Registration filed 333-2387990001104659-20-067795
2020-01-10424B5Shelf takedown 333-2338690001104659-20-002811
2019-10-30424B5Shelf takedown 333-2338690001104659-19-057371
2019-10-11EFFECTDeclared effective 333-2338699999999995-19-002300
2019-09-20S-3Shelf registered 333-2338690001144204-19-045463
2019-06-18424B4Final prospectus 333-2317230001144204-19-031239
2019-06-13EFFECTDeclared effective 333-2317239999999995-19-001347
2019-06-13S-1/AAmendment 333-2317230001144204-19-030762
2019-06-06S-1/AAmendment 333-2317230001144204-19-030128
2019-05-23S-1Registration filed 333-2317230001144204-19-028003
2018-07-26EFFECTDeclared effective 333-2262519999999995-18-001908
2018-07-19S-3Shelf registered 333-2262510001193125-18-221592
2018-07-13424B4Final prospectus 333-2251400001193125-18-217974
2018-07-11EFFECTDeclared effective 333-2251409999999995-18-001761
2018-07-11S-1/AAmendment 333-2251400001193125-18-215769
2018-06-26S-1/AAmendment 333-2251400001193125-18-203030
2018-05-23S-1Registration filed 333-2251400001193125-18-172051
2018-05-21EFFECTDeclared effective 333-2248459999999995-18-001301
2018-05-10S-3Shelf registered 333-2248450001193125-18-159387
2017-11-06EFFECTDeclared effective 333-2205929999999995-17-002895
2017-07-18EFFECTDeclared effective 333-2139089999999995-17-001841
2017-02-09424B5Shelf takedown 333-2083300001193125-17-035049
2016-10-19EFFECTDeclared effective 333-2139089999999995-16-006021
2016-10-11EFFECTDeclared effective 333-2134939999999995-16-005940
2016-09-30S-3Shelf registered 333-2139080001193125-16-727706
2016-09-02S-3Shelf registered 333-2134930001193125-16-700896
2016-08-05EFFECTDeclared effective 333-2126749999999995-16-005366
2016-07-25S-3Shelf registered 333-2126740001193125-16-656706
2016-07-08424B5Shelf takedown 333-2083300001193125-16-643948
2016-01-07424B5Shelf takedown 333-2083300001193125-16-423542
2015-12-22EFFECTDeclared effective 333-2083319999999995-15-003367
2015-12-22EFFECTDeclared effective 333-2083309999999995-15-003366
2015-12-04S-3Shelf registered 333-2083310001193125-15-394858
2015-12-04S-3Shelf registered 333-2083300001193125-15-394854
2015-03-13424B5Shelf takedown 333-1888490001193125-15-091505
2014-11-21424B5Shelf takedown 333-1995170001390478-14-000076
2014-11-20EFFECTDeclared effective 333-1995179999999995-14-003481
2014-11-20424B5Shelf takedown 333-1888490001390478-14-000075
2014-10-22S-3Shelf registered 333-1995170001390478-14-000054
2014-05-15EFFECTDeclared effective 333-1952609999999995-14-001500
2014-04-14S-3Shelf registered 333-1952600001193125-14-142771
2013-09-13424B5Shelf takedown 333-1888490001390478-13-000021
2013-09-12424B5Shelf takedown 333-1888490001390478-13-000015
2013-08-15EFFECTDeclared effective 333-1888479999999995-13-002420
2013-06-12EFFECTDeclared effective 333-1888499999999995-13-001780
2013-05-24S-3Shelf registered 333-1888490001193125-13-235700
2013-05-24S-3Shelf registered 333-1888470001193125-13-235669
2012-12-18424B5Shelf takedown 333-1670250001193125-12-506811
2012-12-17424B5Shelf takedown 333-1670250001193125-12-505075
2012-07-13EFFECTDeclared effective 333-1825059999999995-12-002160
2012-07-02S-3Shelf registered 333-1825050001193125-12-292276
2012-05-29EFFECTDeclared effective 333-1815899999999995-12-001669
2012-05-23RWWithdrawn 333-1806750001193125-12-244610
2012-05-22S-3Shelf registered 333-1815890001193125-12-243605
2012-05-16424B5Shelf takedown 333-1670250001193125-12-236354
2012-05-14RWWithdrawn 333-1806750001193125-12-230104
2012-04-20424B5Shelf takedown 333-1806750001193125-12-173355
2012-04-12S-3Shelf registered 333-1806750001193125-12-159238
2012-04-05424B5Shelf takedown 333-1670250001193125-12-151891
2012-04-04424B5Shelf takedown 333-1670250001193125-12-150071
2012-02-17424B5Shelf takedown 333-1670250001193125-12-067741
2011-09-28424B5Shelf takedown 333-1670250000950123-11-087389
2011-06-15EFFECTDeclared effective 333-1740769999999995-11-001860
2011-05-09S-3Shelf registered 333-1740760000950123-11-047546
2011-04-15424B5Shelf takedown 333-1670250000950123-11-035893
2011-04-14424B5Shelf takedown 333-1670250000950123-11-035731
2011-03-01424B5Shelf takedown 333-1670250000950123-11-020615
2011-02-28424B5Shelf takedown 333-1670250000950123-11-019861
2010-05-28EFFECTDeclared effective 333-1670389999999995-10-001672
2010-05-28EFFECTDeclared effective 333-1670259999999995-10-001670
2010-05-24S-3Shelf registered 333-1670380000950123-10-052413
2010-05-21S-3Shelf registered 333-1670250000950123-10-052048
2010-03-23424B5Shelf takedown 333-1589680000950123-10-027148
2009-07-31424B5Shelf takedown 333-1589680000950123-09-027948
2009-05-22EFFECTDeclared effective 333-1589689999999995-09-001496
2009-05-04S-3Shelf registered 333-1589680000950135-09-003556
2008-08-06EFFECTDeclared effective 333-1525579999999995-08-002451
2008-08-04S-1/AAmendment 333-1525570000950135-08-005271
2008-07-25S-1Registration filed 333-1525570000950135-08-005145
2008-02-14EFFECTDeclared effective 333-1470099999999995-08-000563
2008-02-13S-1/AAmendment 333-1470090000950135-08-000884
2008-02-01S-1/AAmendment 333-1470090000950135-08-000458
2008-01-10S-1/AAmendment 333-1470090000950135-08-000113
2007-11-19S-1/AAmendment 333-1470090000950135-07-007105
2007-10-30S-1Registration filed 333-1470090000950135-07-006451

All filings of this company · CSV